18 wired defense zones and 99wireless defense zones. 2At most 5 wireless remote controlers and wireless remote control codes. 3LCD display, built-in clock,calendar, operate easily. 4Can store 6 group of phone numbers; when alarming, system will make alarm call to these numbers automatically. 5Can store 2 group of SMS number; when alarming, system will send alarming SMS automatically. The Security Alarm Kit includes everything you need to help secure your home. Best of all, there's no wiring or drilling required for installation. With 8 wired defense zones and 99wireless defense zones. At most 5 wireless remote controlers and wireless remote control codes. LCD display, built-in clock, calendar, operate easily. Why noy have a look?Features:8 wired defense zones and 99wireless defense zones. At most 5 wireless remote controlers and wireless remote control codes. LCD display, built-in clock,calendar, operate easily. Can store 6 group of phone numbers; when alarming, system will make alarm call to these numbers automatically. Can store 2 group of SMS number; when alarming, system will send alarming SMS automatically. Wireless coding: easy to add additional wireless accessories. Built-in artificial intelligent digital voice announcer, Englishversionsound prompt for alloperation.SMS prompt automatically about low power of battery. SMS prompt when AC power lost or recoverd. Multi-type of arm: out arm, home arm, remote control arm, timed arm, arm by phone. Built-in Lithium rechargeable battery: make alarm when power off. Real-time,delay,24hours,bypass defense zones programming function. 10-second automatic message recording. Users can make call by using keypad o alarm panel, just like a telephone. One-key-control function: out arm, home arm, remote arm. Built-in wireless transmitting module, could be coding with wireless siren and smart home appliance. 1 group of timely Arm and Disarm timing function.Specification:Item Type: Security Alarm SystemMaterial:ABS + Zinc AlloyColor: As picture shows Voltage: 100- 240VPlug Type(Optional): US Plug, AU Plug, EU Plug, UK Plug Input Voltage: DC 12V / 1AStatic Consumption: 55mAAlarming Current: 450mAWireless Frequency: 433MHz/315MHzEncoded Mode: 2262/4.7MGSM Frequency: 850 / 900 / 1800 / 1900 MHzBackup Battery: Lithium Rechargeable Battery 7.4VSiren Volume: 110dBItem Size: 18 * 13.5 * 3cm/7.08 * 5.31 * 1.18inchPackage Weight: 874g/30.82oz